NetFixerFrom my cold dead handsPremiumReviews:
reply to bunions
Re: 4 TVs & modem...how to run The way you show in your diagram using a 2 line splitter with one leg going to the modem and the other going to your existing 4 line splitter for your TVs is how I would do it. Modems generally seem to be more sensitive to line levels than set top boxes, so unless your connection is very hot, the lower loss from using a single two line splitter in front of the modem would likely produce the best results. If you are planning to do a self-install, just try it and look at the line levels in the modem to make sure that they are within specs.
We can never have enough of nature.
We need to witness our own limits transgressed, and some life pasturing freely where we never wander.